preamble_l_siso_20.m

A SISO 20M OFDM system based on IEEE802.11n standard, using Matlab.

%Long preamble generator: Programmed by Yoshiki Kami
function r_h=preamble_l_siso_20();

L=Long_20M();

r_f = ifft(L,64);

r_g = [r_f(1,33:64) r_f r_f];

% r_h = [r_g(1,1)*0.5 r_g(1,2:159) r_g(1,160)*0.5];
r_h = r_g;

%subplot(2,1,1),plot(t,real(r_h));
%subplot(2,1,2),plot(t,imag(r_h));